Intel X25-M SATA III, 250GB. Solid-state drive capacity: 250 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA III. Read speed: 500 MB/s, Write speed: 315 MB/s. Power consumption (standby): 0.1 W. Mean time between failures (MTBF): 1200000 h. Operating temperature range (T-T): 0 - 70 °C, Operating shock: 1500 G